ogpsd is a program that makes the GPS data available to applications through a DBUS interface. It is part of the OpenmokoFramework used in the FSO and the Debian distribution. Former distributions 2007.2 and ASU 2008.8 and 2008.9 used another daemon named gpsd. These two are not compatible, having both running at the same time is bad. On the distributions that use ogpsd, legacy applications that have not been ported to use the DBUS interface need a backward compatibility shim. This compatibility program is called fso-gpsd, and must be run alongside (not instead of) ogpsd.